Clock and globe



Au 26, 1941. M ALLAND 2,253,747

CLOCK AND GLOBE Filed July 1, 194G INVENT OR.

mzalzz'ce llazza A TTORNEY.

Patented Aug. 26, 1941 UNITED STATESPATENT OFFICE CLOCK AND GLOBE Maurice Alland, Los Angeles, Calif.

Application July 1, 1940, Serial No. 343,446

3 Claims. (CI. 58-44) This invention relates to means for combining a globe of the world with a clock, and for connection mechanism between the two so that the setting stem of any clock will uniformly rotate the globe continuously and cause one complete revolution of same each twenty-four hours. Structure is provided for supporting the globe at its angle of inclination, and also for suspending a stationary ring at the equator of the globe, the ring being divisioned to represent each hour in the a. m. and each hour in the p. m., and other time divisions are provided between the hour divisions to indicate fractions of the hour.

A wire having its ends pivoted to the poles of the globe, is shiftable to all geographical points upon the globe and is arranged to intersect thehour ring so that the time at any point upon the globes surface can be determined accurately with ease and in the simplest manner.

An object of the invention is to set forth a new combination of clock and globe that is simple in construction, useful, instructive, an article of beauty, and an article that is economical to manufacture.

Another object is to present a world; globe and associated mechanism that can be easily applied to most any clock, and when applied, the globe will rotate in synchronism with our earth and give accurate time at any point upon the globe.

Other objects, advantages and features of my invention will appear from the accompanying drawing, the subjoined detailed description, the preamble of these specifications and the appended claims.

Applicant is about to illustrate and describe one of the forms of his invention in order to teach one how to make, use and vend the same, but it is to be understood that the drawing and description thereof are not to limit the invention in any sense whatsoever, except as limited by the appended claims.

In the drawing:

Fig. 1 shows a rear elevational view of the invention as applied to an ordinary table alarm clock.

Fig. 2 is a side elevational view of Fig. 1.

Fig. 3 is an elevational view of a part of the invention.

Fig. 4 is an elevational view, in broken sections, of a portion of the invention.

Fig. 5 is a detail in elevational View taken substantially along the line 5-5 of Fig. 2.

The reference character I of the drawing represents the usual and well known alarm clock 55 of the globe.

having a base 2 so that it can be rested upon a table and the like. The clock has the usual winding keys 3 and 4, one being for the main spring of the clock and the other for the alarm. 5 represents the setting stem, or the stem connected with the minute hand of the clock, and which makes one complete revolution each time the minute hand makes one complete revolution of the clock face. Clock face is covered by the usual glass Window 6 and contains the usual twelve hour dial.

To the rear of the clock, the invention is applied which includes the elongated bracket 1 which is screwed to the back of the clock and held fixed thereto by the screws 8 and 9. The bracket has upper bearing sleeve l0 and lower bearing sleeve H for the shaft l2.

Fixed to the top of the shaft I2 is a gear wheel l3 which has teeth, and fixed to the bottom of the shaft is a worm wheel I 4. The worm wheel is in mesh with a worm l5, the outer end of the worm having the knurled finger setting knob 16. Since the usual setting knob and minute hand stem of. ready made clocks are too short on to which to place the worm I5, the usual knob 16 is removed and the worm sleeve I5 slipped on to thestem and anchored thereto by the pin Il, asshown clearly in Fig. 5.

Fixed to the top of the clock casing is a bracket I8 having a flat portion [9 which is screwed to the casing of the clock. One end of the bracket is preferably provided with a turned under hooklike end 20 to grip the top of the clock casing and prevent turning of the bracket. The top of the bracket has a long bowed arm 2| which is provided at its upper end with a narrowed end 22. Over the fiat base I9 is a bearing block 23 which is rigidly fixed to the base 19, which provides a bearing hole for a shaft 24 which has fixed to its upper end a gear wheel 25 having '72 teeth.

Also attached to the bearing block 23 is a long bowed arm 26, which is fixed to the block by any suitable means such as the screw 21. The top of the arm 26 is also provided with a channel portion and indicated by the numeral 28.

The globe of the world is indicated by 29 and has a top polar stem 30 and a capping nut 3|, and a bottom. polar stem 32. The bottom stemv of the globe is rigidly fixed to the center of the wheel 25. A pivoted guide wire 33 is provided which has an eyelet end 34 at its top to encircle the stem 30 of the globe and another eyelet end 35 at the bottom thereof to encircle the stem 32 At a convenient place along the length of the wire is a bent out portion 36 designed to act as a finger grip so that the guide wire can be shifted any place along the surface of the globe so as to be parallel with any desired meridian.

Encircling the globe, and clamped in the channel 28 is a closed band or ring 31 having thereon 24 equally spaced divisions 38 representing the hours of the day, the hours 1 to 12 p. m. being preferably indicated in a different color than the hours 1 to 12 a. m. Between the divisions 38 are other divisions indicated by the numeral 39 which may indicate the quarter hours or other fractional hours. The band 31 has an integral socket 31 to accommodate the narrowed end 22 of arm 2! and is arranged to be easily removed from the arm ends.

Since the globe and its connected wheel 25 can be lifted from the block 23, any point of the globe can then be easily alined with any time indicated upon the band 3'I--obviously, the geographical point of the globe to be set at the time of the day would be the city wherein the clock is located. When this is done, the gear wheel 25 must be placed in mesh withgear wheel l3. Now theglobe will rotate in harmony with the earth and the time at any place upon the earth can be easily found by moving the wire 33 over the particular place where the time is required, the time indicated on the band where the wire intersects will be the time at the place desired.

The worm I5 is cut to rotate twenty times or hours in order to rotate the worm wheel M one revolution. One revolution of the worm wheel obviously revolves the wheel 13 one revolution, but since the wheel l3 has sixty teeth, it will rotate three teeth per hour, and turn wheel '25 three .teeth per hour. Wheel 25 has seventytwo teeth and three teeth thereon representsone hour, thus causing the longitudinal lines of the globe to rotate to a new hourly position each time three teeth of the wheel 25 are moved by the wheel [3. Since the wheel to which the globe is attached has 72 teeth, and that the gear wheel is forced to revolve three teeth an hour because of its intermeshing with gear wheel l3, it obviously will take twenty-four hours for the globe and gear wheel to make a complete revolution. Thus it will be in exact harmony with the earth, since it takes twenty-four hours for the earth to make a complete revolution on its axis.

Obviously, the number of teeth on the various wheels and their sizes may be varied without in any way changing the purposes of this invention.

Having .thus described my invention, what is claimed as new and desired to be secured by Letters Patent is:

1. In apparatus of the character described, the combination of a clock having a protective casing and a holder, and a terrestrial globe revolvingly mounted upon the holder; a minute hand setting stem extending from the clock and having a worm fixed thereto, means for fastening the holder to the casing, and means conneoting the globe with the worm so that each revolution of the stem revolves the globe 15, said holder having a plurality of upwardly extending arms having connector means at the top thereof, a closed band surrounding the globe and detachably positioned in said means.

2. In combination, a clock and a terrestrial globe, a holder block having a socket fixed to the top of the clock, a stem extending from the globe and journalled in the socket, arms fixe to the block and extending along the sides of the :globe an equatorial band surrounding the globe "and attached to the said arms for the purposes described.

'3. A globe time device "for ready attachment to the outer case of clocks comprising a holder block adapted to be attached to the top of the clock case and a bracket adapted to be attached to the rear of the clock case, a globe having a bottom stem with a wheel fixed thereto, said block having a socket to receive the stem, arms extending from the block and supporting an equatorial band around the globe, transmission means supported by the bracket having connection with said wheel and adapted to be connected with a moving .part of the clock for the purposes described.

MAURICE ALLAND. 

